单项选择题
A class design requires that a member variable cannot be accessible directly outside the class. Which modifier should be used to obtain the access control？（）
A. public
B. no modifier
C. protected
D. private
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相关考题
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多项选择题
Whichofthefollowingstatementsaboutvariablesandscopearetrue？（）
A. Local variables defined inside a method are destroyed when the method is exited.
B. Local variables are also called automatic variables.
C. Variables defined outside a method are created when the object is constructed.
D. A method parameter variable continues to exist for as long as the object is needed in which the method is defined. -
单项选择题
Given the following code： 1） public void modify（） { 2） int i， j， k； 3） i = 100； 4） while （ i > 0 ） { 5） j = i * 2； 6） System.out.println （" The value of j is " + j ）； 7） k = k + 1； 8） i--； 9） } 10） } Which line might cause an error during compilation？（）
A. line 4
B. line 6
C. line 7
D. line 8 -
多项选择题
IntheJavaAPIdocumentationwhichsectionsareincludedinaclassdocument？（）
A. The description of the class and its purpose
B. A list of methods in its super class
C. A list of member variable
D. The class hierarchy
